Home / 599,137,856.40-898,706,784.60-292,272,013.20

Finding the Fourth Proportional to 599,137,856.40, 898,706,784.60 and 292,272,013.20

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Solution

The fourth proportional to 599,137,856.40, 898,706,784.60 and 292,272,013.20 is: 438,408,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,137,856.40 : 898,706,784.60 = 292,272,013.20 : x
  2. Step 2: Convert to fraction form
    599,137,856.40/898,706,784.60 = 292,272,013.20/x
  3. Step 3: Cross multiply
    599,137,856.40x = 898,706,784.60 × 292,272,013.20
  4. Step 4: Simplify right side
    599,137,856.40x = 262,666,841,211,540,768
  5. Step 5: Solve for x
    x = 262,666,841,211,540,768/599,137,856.40
  6. Step 6: Final answer
    x = 438,408,019.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.